Photo frame



FIG. 1 is a front perspective view (with lid open);

FIG. 2 is a cross-section of the box (as indicated on FIG. 1);

FIG. 3 is a top view (with lid closed);

FIG. 4 is a bottom view;

FIG. 5 is a left side view;

FIG. 6 is a front view;

FIG. 7 is a right side view; and,

FIG. 8 is a back view. 

The ornamental design for a photo frame, as shown and described. 